Nate Seltenrich (M43)
2026
3 Races | 93 mi.Lake Sonoma 100K & 50K
Apr 11th 2026
| Healdsburg, CA
Distance
50 KM
Overall
16
/ 218
Division (M)
15
/ 132
4:46:18
Marin Ultra Challenge
Mar 14th 2026
| Sausalito, CA
Distance
50 KM
Overall
7
/ 224
Division (M)
6
/ 138
4:30:11
No Hands
Jan 10th 2026
| Auburn, CA
Distance
50 KM
Overall
3
/ 75
Division (M)
3
/ 51
5:12:05
2025
2 Races | 62 mi.Calistoga Mountain Run
Apr 13th 2025
| Calistoga, CA
Distance
50 KM
Overall
4
/ 39
Division (M)
4
/ 25
5:48:27
Diablo Trails Challenge
Apr 5th 2025
| Walnut Creek, CA
Distance
50 KM
Overall
5
/ 106
Division (M)
5
/ 75
5:01:33
2024
4 Races | 172 mi.Quad Dipsea
Nov 30th 2024
| Mill Valley, CA
Distance
28.4 Miles
Overall
7
/ 265
Division (M)
6
/ 191
4:40:00
Dick Collins Firetrails
Sep 29th 2024
| Castro Valley, CA
Distance
50 Miles
Overall
6
/ 75
Division (M)
5
/ 47
8:39:42
Miwok
May 4th 2024
| Stinson Beach, CA
Distance
100 KM
Overall
25
/ 222
Division (M)
19
/ 160
11:43:33
Crystal Springs - Winter
Jan 14th 2024
| Woodside, CA
Distance
50 KM
Overall
1
/ 47
Division (M)
1
/ 33
4:22:41
2023
3 Races | 109 mi.Quad Dipsea
Nov 25th 2023
| Mill Valley, CA
Distance
28.4 Miles
Overall
28
/ 338
Division (M)
24
/ 252
5:04:26
Mendocino Coast 50k
Apr 22nd 2023
| Mendocino, CA
Distance
50 KM
Overall
3
/ 148
Division (M)
3
/ 69
4:30:42
American River
Apr 1st 2023
| Folsom, CA
Distance
50 Miles
Overall
14
/ 197
Division (M)
11
/ 131
8:20:22
2022
2 Races | 64 mi.Quad Dipsea
Nov 26th 2022
| Mill Valley, CA
Distance
28.4 Miles
Overall
23
/ 287
Division (M)
19
/ 212
5:11:13
Mendocino Running Festival
Sep 12th 2022
| Mendocino, CA
Duration
6 Hours
Overall
1
/ 6
Division (M)
1
/ 6
36
2021
2 Races | 81 mi.Calistoga Mountain Run
Nov 27th 2021
| Calistoga, CA
Distance
50 KM
Overall
3
/ 44
Division (M)
2
/ 32
5:59:30
Dick Collins Firetrails
Sep 25th 2021
| Castro Valley, CA
Distance
50 Miles
Overall
4
/ 81
Division (M)
3
/ 48
8:52:05
2019
2 Races | 82 mi.Mendocino Running Festival
May 18th 2019
| Mendocino, CA
Duration
6 Hours
Overall
1
/ 1
Division (M)
1
/ 3
31.5
Lake Sonoma 100K & 50K
Apr 13th 2019
| Healdsburg, CA
Distance
50 Miles
Overall
51
/ 280
Division (M)
35
/ 200
8:45:17
2018
2 Races | 62 mi.Skyline 50K
Aug 5th 2018
| San Leandro, CA
Distance
50 KM
Overall
5
/ 163
Division (M)
5
/ 96
4:02:45
Ohlone
May 20th 2018
| Fremont, CA
Distance
50 KM
Overall
5
/ 129
Division (M)
5
/ 104
5:09:12
20
Races
7y 10m 28d
Longevity
726
Lifetime Miles
Personal Bests
50k
(10)
4:02:45
2018
50m
(4)
8:20:22
2023
100k
(1)
11:43:33
2024
6hr
(2)
36
2022
Distance by Year
2026
93
Miles
3 Races
2025
62
Miles
2 Races
2024
172
Miles
4 Races
2023
109
Miles
3 Races
2022
64
Miles
2 Races
2021
81
Miles
2 Races
2019
82
Miles
2 Races
2018
62
Miles
2 Races
Multiple Performances
3rd Place
5:12:05
50 KM
Masters Winner
5:12:05
50 KM
Masters Winner
4:40:00
28.4 Miles
1st Place
4:22:41
50 KM
Masters Winner
4:22:41
50 KM
3rd Place
4:30:42
50 KM
Masters Winner
4:30:42
50 KM
2nd Place
5:59:30
50 KM
3rd Place
8:52:05
50 Miles
Achievements are awarded for races with 25 or more finishers and courses with 200 or more finishers.
Masters: 40-49 / Grand Masters: 50-59 / Senior Grand Masters: 60+